Base | Representation |
---|---|
bin | 101010100100110… |
… | …0111111001010001 |
3 | 10200120010200200000 |
4 | 1111021213321101 |
5 | 10411204223230 |
6 | 353431320213 |
7 | 50254531644 |
oct | 12511477121 |
9 | 3616120600 |
10 | 1428586065 |
11 | 673443945 |
12 | 33a520069 |
13 | 199c79cca |
14 | d7a33a5b |
15 | 8563eb60 |
hex | 55267e51 |
1428586065 has 24 divisors (see below), whose sum is σ = 2567929728. Its totient is φ = 761911920.
The previous prime is 1428586013. The next prime is 1428586067. The reversal of 1428586065 is 5606858241.
1428586065 is a `hidden beast` number, since 1 + 4 + 2 + 8 + 586 + 0 + 65 = 666.
It is not a de Polignac number, because 1428586065 - 29 = 1428585553 is a prime.
It is a super-2 number, since 2×14285860652 = 4081716290224368450, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 1428586065.
It is not an unprimeable number, because it can be changed into a prime (1428586067) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 586681 + ... + 589110.
It is an arithmetic number, because the mean of its divisors is an integer number (106997072).
Almost surely, 21428586065 is an apocalyptic number.
1428586065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1428586065 is a deficient number, since it is larger than the sum of its proper divisors (1139343663).
1428586065 is an equidigital number, since it uses as much as digits as its factorization.
1428586065 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1175811 (or 1175799 counting only the distinct ones).
The product of its (nonzero) digits is 460800, while the sum is 45.
The square root of 1428586065 is about 37796.6409221772. The cubic root of 1428586065 is about 1126.2517267547.
The spelling of 1428586065 in words is "one billion, four hundred twenty-eight million, five hundred eighty-six thousand, sixty-five".
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